NVIDIA GeForce RTX 5080 vs NVIDIA GeForce RTX 3080

VS

NVIDIA GeForce RTX 5080 NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 47% (2520MHz vs 1710MHz)

More VRAM (16GB vs 10GB)

2048 additional rendering cores

NVIDIA GeForce RTX 3080 's Advantages

Larger VRAM bandwidth (760.3GB/s vs 160.0GB/s)

Lower TDP (320W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +82%

54.19 TFLOPS

GeForce RTX 3080

29.77 TFLOPS

GeForce RTX 5080

VS

GeForce RTX 3080

Graphics Card

Jan 2025

Release Date

Sep 2020

GeForce 50

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1440 MHz

2520 MHz

Boost Clock

1710 MHz

2500 MHz

Memory Clock

1188 MHz

Memory

16GB

Memory Size

10GB

GDDR7

Memory Type

GDDR6X

256bit

Memory Bus

320bit

160.0GB/s

Bandwidth

760.3GB/s

Render Config

84

SM Count

68

-

Compute Units

-

10752

Shading Units

8704

336

TMUs

272

128

ROPs

96

336

Tensor Cores

272

84

RT Cores

68

128 KB (per SM)

L1 Cache

128 KB (per SM)

64 MB

L2 Cache

5 MB

Theoretical Performance

322.6 GPixel/s

Pixel Rate

164.2 GPixel/s

846.7 GTexel/s

Texture Rate

465.1 GTexel/s

54.19 TFLOPS

FP16 (half)

29.77 TFLOPS

54.19 TFLOPS

FP32 (float)

29.77 TFLOPS

846.7 GFLOPS

FP64 (double)

465.1 GFLOPS

Graphics Processor

GB203

GPU Name

GA102

GB203

GPU Variant

GA102-200-KD-A1

Blackwell 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

0 nm

Process Size

8 nm

Unknown

Transistors

28.3 billion

Unknown

Die Size

628 mm²

Board Design

350W

TDP

320W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 12-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

9.1

CUDA

8.6

6.7

Shader Model

6.6

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